Maintaining Map Files
Use the commands in the MapFiles menu from the Class Maps Browser to browse and maintain your class map files. The map file specifies where instances of schema classes are stored.
When you create a new class, specify the file in which instances of that class are to be stored. Before you can specify the map file for a class in the Define Class dialog, the map file must already exist.
When you create a new schema, specify the file in which the instances of the
To quickly add a map file for your Global classes when adding a schema, click the Add Map File button in the Add Schema dialog. (For details, see "Defining a Schema", earlier in this chapter.)
When you install JADE, system class map files are located in the system directory of your current JADE release, by default. For ease of administration, you may want to also store your user-defined class map files in the same data directory.
If you want to override the default mapping (that is, instances of exclusive collections are mapped to the same file as the owner of the collection) when there are no existing exclusive instances of the collection class, see "Tuning Collection Classes", later in this chapter.
The MapFiles menu commands are listed in the following table.
| Command | Description | For details, see… |
|---|---|---|
| Add | Displays the File Dialog | Adding or Changing a Map File, in the following subsection |
| Change | Displays the File Dialog | Adding or Changing a Map File, in the following subsection |
| Remove | Deletes the selected map file | Removing a Schema Element, later in this chapter |
